How do Lie Detectors Tests work?
A lie detector is basically an instrument that is a combination of various medical devices that are put together to monitor any changes that might occur in the human body. As the person is being questioned about a particular incident or event, the examiner will check to see if the persons blood pressure, heart rate, respiratory rate and electro dermal activity has changed as compared to the normal levels. Fluctuations in these levels may indicate deceptive behavior on the persons part, but lie detector test results are kept open to interpretation on the part of the examiner. Lie detector tests are generally associated with criminal investigations, but there have been many instances in which they have also been used for other reasons. There might come a day when you will also be subjected to a lie detector test before being hired for a particular job. Some private sector employers and many government entities have now started asking candidates to undergo a lie detector test prior to emp
